A Study to Learn About the Study Medicine Elranatamab Alone and With Daratumumab in People With Multiple Myeloma Who Have Received Other Treatments — Stella
Phase 3 — Large-scale testing across thousands of people, comparing the new treatment against current standard treatments.
(238 sites) United States
Clovis Community Medical Center, Clovis, California Community Cancer Institute, Clovis, California University of California San Francisco, Fresno, California Community Regional Medical Center, Fresno, California UCHealth Poudre Valley Hospital, Fort Collins, Colorado UCHealth Harmony, Fort Collins, Colorado UCHealth Greeley Hospital, Greeley, Colorado UCHealth - Medical Center of the Rockies, Loveland, Colorado Sylvester Comprehensive Cancer Center - Aventura, Aventura, Florida Sylvester Comprehensive Cancer Center- The Lennar Foundation Medical Center, Coral Gables, Florida Sylvester Comprehensive Cancer Center - Coral Springs, Coral Springs, Florida University of Miami Hospital and Clinics - Deerfield Beach, Deerfield Beach, Florida Sylvester Comprehensive Cancer Center - Hollywood, Hollywood, Florida Griffin Cancer Research Building (GCRB), Miami, Florida Sylvester Comprehensive Cancer Center, Miami, Florida University of Miami Hospital and Clinics, Miami, Florida Sylvester Comprehensive Cancer Center - Kendall, Miami, Florida Sylvester Comprehensive Cancer Center - Plantation, Plantation, Florida East Jefferson General Hospital, Metairie, Louisiana MSK Basking Ridge, Basking Ridge, New Jersey MSK Monmouth, Middletown, New Jersey MSK Bergen, Montvale, New Jersey MSK Commack, Commack, New York MSK Westchester, Harrison, New York Memorial Sloan Kettering Cancer Center - David H. Koch Center for Cancer Care (74th Street)., New York, New York Memorial Sloan Kettering Cancer Center - Main Campus, New York, New York MSK Nassau, Uniondale, New York Argentina
Alexander Fleming S.A (Instituto Medico Especializado Alexander Fleming), Ciudad Autonoma de Buenos Aires, Buenos Aires FUNDALEU - Fundacion para combatir la Leucemia, Ciudad Autonoma de Buenos Aires, Buenos Aires FUNDALEU -Fundación para combatir la leucemia, Ciudad Autónoma de Buenos Aires, Buenos Aires FUNDALEU, Ciudad Autónoma de Buenos Aires, Buenos Aires Hospital Italiano de La Plata, La Plata, Buenos Aires Hospital Universitario Austral, Presidente Derqui, Buenos Aires Sanatorio de La Mujer, Rosario, Santa Fe Province Australia
Pindara Private Hospital, Benowa, Queensland QScan Radiology Clinics, Clayfield, Queensland Gallipoli Medical Research Foundation, Greenslopes, Queensland Greenslopes Private Hospital, Greenslopes, Queensland Princess Alexandra Hospital, Woolloongabba, Queensland Epworth Freemasons, East Melbourne, Victoria St Vincent's Hospital (Melbourne), Fitzroy, Victoria Barwon Health, Geelong, Victoria The Alfred Hospital, Melbourne, Victoria Epworth Healthcare, Richmond, Victoria Slade Pharmacy, Richmond, Victoria Linear Clinical Research, Perth, Western Australia Austria
Universitätsklinikum Krems, Krems, Lower Austria Klinik Ottakring, Vienna, State of Vienna Universitätsklinik für Innere Medizin V Innsbruck, Innsbruck Uniklinikum Salzburg, Salzburg Medizinische Universität Wien, Vienna Belgium
Grand Hôpital de Charleroi, Gilly, Hainaut CHU UCL Namur (site Godinne), Yvoir, Namur Brazil
Instituto D'Or de Pesquisa e Ensino (IDOR) - Filial Salvador, Salvador, Estado de Bahia Centro Gaucho Integrado De Oncologia, Hematologia, Ensino E Pesquisa, Porto Alegre, Rio Grande do Sul Centro de Pesquisa Clínica - Área Administrativa, Porto Alegre, Rio Grande do Sul Hospital Mae de Deus, Porto Alegre, Rio Grande do Sul BP - A Beneficencia Portuguesa de São Paulo, São Paulo, São Paulo Clínica Médica São Germano LTDA, SP, São Paulo Hospital Américas Medical City, Rio de Janeiro Instituto de Educação, Pesquisa e Gestão em Saúde, Rio de Janeiro ESHO Empresa de Serviços Hospitalares S.A/ Hospital Samaritano de Higienópolis, São Paulo IDOR Ensino e Pesquisa, São Paulo HU UNIFESP / SPDM - Hospital São Paulo, São Paulo Universidade Federal de Sao Paulo, São Paulo Canada
Arthur J.E. Child Comprehensive Cancer Centre, Calgary, Alberta Cross Cancer Institute, Edmonton, Alberta QEII Health Sciences Centre - Victoria General Site, Halifax, Nova Scotia Hamilton Health Sciences-Juravinski Cancer Centre, Hamilton, Ontario Princess Margaret Cancer Centre, Toronto, Ontario CIUSSS de l'Est-de-l'Île-de-Montréal, Montreal, Quebec Jewish General Hospital, Montreal, Quebec Saskatoon Cancer Center, Saskatoon, Saskatchewan China
Peking University Third Hospital, Beijing, Beijing Municipality Fujian Medical University Union Hospital, Fuzhou, Fujian Guangdong Provincial People's Hospital, Guangzhou, Guangdong Nanfang Hospital of Southern Medical University, Guangzhou, Guangdong Sun Yat-sen University Cancer Center, Guangzhou, Guangdong Shenzhen Second People's Hospital, Shenzhen, Guangdong The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei Henan Cancer Hospital, Zhengzhou, Henan Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Nanjing Drum Tower Hospital ， The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu The Affiliated Hospital of Xuzhou Medical University, Xuzhou, Jiangsu The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi
Czechia
Fakultní nemocnice Brno Bohunice, Brno, Brno-m?sto Fakultni Nemocnice Plzen, Plzen - Lochotin, Plzeň Region Fakultni poliklinika, Prague, Praha 2 Fakultni nemocnice Hradec Kralove, Hradec Králové Fakultni nemocnice Olomouc, Olomouc Fakultni nemocnice Ostrava, Ostrava-Poruba Vseobecna fakultni nemocnice v Praze, Prague Finland
Kuopion Yliopistollinen Sairaala, Kuopio, Northern Savonia Tampereen yliopistollinen sairaala, Tampere, Pirkanmaa Turku University Hospital, Turku, Southwest Finland Helsinki University Hospital - Comprehensive Cancer Center (HYKS - Syöpäkeskus), Helsinki Oulun yliopistollinen sairaala, Oulu Tampereen yliopistollinen sairaala, Tampere France
Centre Hospitalier Universitaire de Limoges - Hôpital Dupuytren, Limoges, Limousin Hopital Claude Huriez - CHU de Lille, Lille, NORD Centre Hospitalier Universitaire de Nantes - L' Hopital l'hôtel-Dieu, Nantes Hôpital Saint Antoine, Paris Centre Hospitalier Lyon Sud - Service d'Hematologie Clinique, Pierre-Bénite CHU de Poitiers, Hôpital de la Milétrie, Pôle Régional de Cancérologie, Poitiers Institut Universitaire du Cancer Toulouse - Oncopole - CHU de TOULOUSE, Toulouse Germany
Universitaetsklinikum Ulm, Ulm, Baden-Wurttemberg Universitätsklinikum Würzburg, Würzburg, Bavaria Charité Universitätsmedizin Berlin, Berlin Staedtisches Klinikum Braunschweig gGmbH, Braunschweig Klinikum Chemnitz gGMbH, Chemnitz Universitätsklinikum rechts der Isar, Technische Universität München (TUM), München Greece
Evangelismos General Hospital of Athens, Athens, Attikí Radiology vendor, Athens, Attikí Alexandra General Hospital of Athens, Athens, Attikí Theageneio Cancer Hospital of Thessaloniki, Thessaloniki, Kentrikí Makedonía University General Hospital of Ioannina, Ioannina Italy
IRCCS - Istituto Romagnolo per lo Studio dei Tumori (IRST) "Dino Amadori", Meldola, Emilia-Romagna Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Lombardy Fondazione IRCCS San Gerardo dei Tintori, Monza, Lombardy ASST Santi Paolo e Carlo Ospedale San Carlo Borromeo SSD di Onco-Ematologia (Edificio C-piano terra), Milan, Milan Policlinico "G. Rodolico", Catania, Sicily IRCCS Azienda Ospedaliero-Universitaria di Bologna, Policlinico di Sant'Orsola, Bologna IRCCS Azienda Ospedaliera Metropolitana (IRCCS AOM), Genova AOU Policlinico Umberto I, Roma Fondazione Policlinico Universitario Agostino Gemelli, Roma Japan
Nagoya City University Hospital, Nagoya, Aichi-ken University of Fukui Hospital, Yoshida-gun, Fukui National Hospital Organization Shibukawa Medical Center, Shibukawa, Gunma Iwate Medical University Hospital, Yahaba-cho, Iwate Tohoku University Hospital, Sendai, Miyagi Shizuoka Cancer Center, Sunto-gun, Shizuoka Japanese Red Cross Medical Center, Shibuya-ku, Tokyo Akita University Hospital, Akita National Hospital Organization Kyushu Cancer Center, Fukuoka Kagoshima University Hospital, Kagoshima National Hospital Organization Kumamoto Medical Center, Kumamoto Nagasaki University Hospital, Nagasaki National Hospital Organization Okayama Medical Center, Okayama
Mexico
Hematológica Alta Especialidad SC, consultorio 830, Colonia Valle de Las Palmas, México Hospital Universitario "Dr. Jose Eleuterio Gonzalez", Monterrey, Nuevo León Centro de Investigacion Clinica de Oaxaca, Oaxaca City Instituto Veracruzano en Investigación Clínica S.C., Veracruz Netherlands
Erasmus Universitair Medisch Centrum, Rotterdam, South Holland Maastricht University Medical Center, Maastricht New Zealand
North Shore Hospital, Auckland Labtests Auckland Ltd., Auckland Aotearoa Clinical Trials, Auckland Waikato District Health Board, Waikato Hospital, Hamilton Pacific Radiology, Newtown Broadway Radiology, Palmerston North Palmerston North Hospital, Roslyn Pharmacy on Shakespeare, Takapuna Capital, Coast and Hutt Valley District - Wellington Regional Hospital, Wellington Norway
Haukeland Universitetssjukehus, Bergen, Hordaland Stavanger Universitetssykehus, Stavanger, Rogaland Oslo Universitetssykehus Ullevål, Oslo St Olavs Hospital, Trondheim Poland
Szpital Uniwersytecki nr 2 im. dr Jana Biziela w Bydgoszczy Klinika Hematologii, Bydgoszcz Uniwersyteckie Centrum Kliniczne, Gdansk Pratia Onkologia Katowice, Katowice Uniwersytecki Szpital Kliniczny w Poznaniu, Poznan Centrum Medyczne Pratia Poznan, Skorzewo Uniwersyteckie Centrum Kliniczne WUM Centralny Szpital Kliniczny, Warsaw Uniwersytecki Szpital Kliniczny im. Jana Mikulicza-Radeckiego we Wroclawiu, Wroclaw South Korea
Seoul National University Bundang Hospital, Seongnam-si, Gyeonggi-do Chonnam National University Hwasun Hospital, Hwasun-gun, Jeonranamdo Pusan National University Hospital, Busan, Pusan-kwangyǒkshi Seoul National University Hospital, Seoul, Seoul-teukbyeolsi [seoul] Samsung Medical Center, Seoul, Seoul-teukbyeolsi [seoul] The Catholic Univ. of Korea Seoul St. Mary's Hospital, Seoul, Seoul-teukbyeolsi [seoul] Kyungpook National University Hospital, Daegu, Taegu-kwangyǒkshi Gachon University Gil Medical Center, Incheon Asan Medical Center, Seoul Spain
Complejo Hospitalario Universitario de Santiago, Santiago de Compostela, A Coruna Institut Català d'Oncologia - L'Hospitalet, L'Hospitalet Del Llobregat, Barcelona [barcelona] Hospital Universitari Mutua Terrassa, Terrassa, Barcelona Hospital Universitario Marqués de Valdecilla, Santander, Cantabria Clinica Universidad de Navarra, Pamplona, Navarre Hospital Universitario de Toledo, Toledo, Other Hospital Universitari Vall d'Hebron, Barcelona Hospital Clinic Barcelona, Barcelona Hospital Universitari De Girona Doctor Josep Trueta, Girona Hospital Universitario La Princesa, Madrid Hospital Universitario Madrid Sanchinarro, Madrid Hospital Universitario de Salamanca, Salamanca Hospital Universitario Virgen Del Rocio, Seville Sweden
Skånes Universitetssjukhus Lund, Lund, Skåne LÄN [se-12] Södra Älvsborg Sjukhus, Borås Sahlgrenska Universitetssjukhuset, Gothenburg Universitetssjukhuset Örebro, Örebro, Örebro LÄN [se-18] Läkemedelsberedningen, Linköping, Östergötlands LÄN [se-05] Universitetssjukhuset i Linköping, Linköping, Östergötlands LÄN [se-05] Taiwan
Chang Gung Memorial Hospital at Kaohsiung, Kaohsiung City China Medical University Hospital, Taichung National Cheng Kung University Hospital, Tainan National Taiwan University Hospital, Taipei Taipei Veterans General Hospital, Taipei Turkey (Türkiye)
Istanbul Universitesi Istanbul Tıp Fakultesi Hastanesi, Istanbul, İ̇stanbul Medipol Mega Universite Hastanesi, Istanbul, İ̇stanbul Acibadem Universitesi Atakent Hastanesi, Istanbul, İ̇stanbul Sisli Florence Nightingale Hastanesi, Istanbul, İ̇stanbul Ege Universitesi Hastanesi, Izmir, İ̇zmir Dokuz Eylul Universitesi Hastanesi, Izmir, İ̇zmir Baskent Universitesi Adana Dr. Turgut Noyan Uygulama ve Arastirma Merkezi, Adana Ankara University Health Practice and Research Hospitals, Ankara Dr. Abdurrahman Yurtaslan Ankara Onkoloji Egitim ve Arastırma Hastanesi, Ankara Akdeniz Universitesi Hastanesi, Antalya Gaziantep Universitesi Sahinbey Arastirma ve Uygulama Hastanesi, Gaziantep Erciyes Universitesi Tıp Fakultesi Hastaneleri, Kayseri United Kingdom
Royal Bournemouth Hospital, Bournemouth, Dorset Churchill Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, Oxfordshire University Hospital of Wales, Cardiff, South Glamorgan Bristol Haematology and Oncology Centre, Bristol Kent and Canterbury Hospital, Canterbury The Christie NHS Foundation Trust, Manchester
Key details Enrollment target
~944 participants
Primary completion
April 2026
Age range
18 Years and older
Last updated March 2026
Interested in joining? Clínica Médica São Germano S/S Ltda, São Paulo
Instituto D'Or de Pesquisa e Ensino (IDOR), São Paulo Instituto D'Or de Pesquisa e Ensino (IDOR), São Paulo Jilin Province Cancer Hospital, Changchun, Jilin
The First Hospital of Jilin University, Changchun, Jilin Shandong Provincial Hospital, Jinan, Shandong Jinan Central Hospital, Jinan, Shandong Institute of hematology&blood disease hospital, Tianjin, Tianjin Municipality The First Affiliated Hospital, Zhejiang University, Hangzhou, Zhejiang The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Beijing Boren Hospital, Beijing Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing Chongqing University Cancer Hospital, Chongqing Osaka Metropolitan University Hospital, Osaka
Tokushima University Hospital, Tokushima Yamagata University Hospital, Yamagata Hospital Universitario y Politecnico La Fe, Valencia Özel Anadolu Sağlık Merkezi, Kocaeli
Inonu Universitesi Turgut Ozal Tıp Merkezi, Malatya